Question: Which of the following reactions occurs when iron is immersed in (oxygenated) sea water?
Options
A : Fe==>Fe+2+2e, 2H++2e==>H2
B : Fe==>Fe+2+2e, O2+2H2O+4e==>4OH–
C : Fe+2+2e==>Fe+2, 4H++O2+4e==>2H2O
D : Fe+2+2e==>Fe+2, 2H++2e==>H2
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